Rhonda Ross Kendrick, Diana Ross, Evan Ross and Ashlee Simpson arrive for the premiere of the VH1 original movie “CrazySexyCool: The TLC Story”, along with a few surprise guests, held at the AMC Loews Lincoln Square Theatre in NYC. (SplashNews)

Ashlee Simpson and Evan Ross (Getty)

Ashlee Simpson and Evan Ross (FameFlyNet)

Evan Ross (L) and Ashlee Simpson arrive to the BandFuse: Rock Legends launch party held at House of Blues Sunset Strip on November 12, 2013 in West Hollywood, California. (FameFlyNet)

Evan Ross (L) and Ashlee Simpson arrive to the BandFuse: Rock Legends launch party held at House of Blues Sunset Strip on November 12, 2013 in West Hollywood, California. (Photo by Michael Tran/FilmMagic)

Ashlee Simpson and Evan Ross (Bauer-Griffin)

Evan Ross (L) and Ashlee Simpson, wearing a Jessica Simpson dress, attend the launch of the Jessica Simpson Fall 2013 Campaign hosted by Ashlee Simpson at Above Allen on July 30, 2013 in New York City. (Photo by Jamie McCarthy/Getty Images for Jessica Simpson Collection)

Ashlee Simpson and Evan Ross are seen on July 31, 2013 in Los Angeles, California. (Photo by SMXRF/Star Max/FilmMagic)

Ashlee Simpson and her boyfriend Evan Ross shopping on Melrose Ave in Los Angeles, California on December 29, 2013. (FameFlyNet)

Ashlee Simpson and her actor boyfriend Evan Ross grab lunch together at Cecconi’s in West Hollywood, California on November 6, 2013. (FameFlyNet)

Ashlee Simpson and her actor boyfriend Evan Ross arriving on a flight at LAX airport on July 31, 2013. (FameFlyNet)

Ashlee Simpson and Evan Ross have a romantic lunch date at Gemma in NYC
on July 30, 2013. (SplashNews)